Question: What is the reason for Sophocles death on January 1st, 405 BCE?
Paraphrase: what is the cause for Sophocles dying on January 1st, 405 BCE?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q7235 p:P570 ?s . ?s ps:P570 ?x filter(contains(?x , '-405-1-1')) . ?s pq:P31 ?value}